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Mud Pump, or mud pump in its abbreviated form, is an umbrella term that encompasses a variety of pumps, each with unique characteristics tailored to specific regional needs and drilling practices. Here, we introduce mud pumps with a focus on the variant predominantly utilized in oil drilling:
Mud pumps are intricate mechanical devices engineered to inject mud, water, or alternative flushing fluids into drilling holes during the drilling process. They are indispensable components of the drilling machinery suite.
Mud pumps serve a critical function in the drilling operation by injecting mud into the wellbore alongside the drill bit. This mud fulfills a series of crucial tasks:
In standard positive-cycle drilling operations, mud pumps deliver flushing media-such as water, mud, or polymer fluids-under specific pressure. These are channeled through high-pressure hoses, taps, and the drill string's center hole to the drill bit's base, achieving both cooling of the drill bit and the removal and elevation of drill cuttings to the surface.
Mud pumps typically feature a piston or plunger configuration. Once powered, the pump's crankshaft rotates, which in turn drives the crosshead and piston or plunger to move back and forth within the pump cylinder. The alternating actions of the suction and discharge valves facilitate the seamless delivery and recycling of flushing fluids.
In summary, mud pumps are vital for maintaining the efficiency and safety of drilling operations. By delivering flushing fluids under pressure, they play a crucial role in cooling, cleaning, stabilizing, and propelling the drilling process forward.
| Type | Horizontal triplex single-acting piston pump | Gear type | mandibular tooth | |
| Rated Input Power(kW/hp) | 1193/1600 | Gear ratio | 4.206:1 | |
| Rated strokes (strokes/minute) | 120 | Oily | Forced , splash | |
| Stroke length(mm/in) | 305/12'' | Valve cavity | API-7# | |
| Suction port connection size | 12''(305mm) | Discharge outlet connection size | 5'' | |
| Mainframe weight (kg) | 24791 | Overall Dimension(L×W×H) | 4615×3276×2688mm | |
| Pump speed (strokes/min) | Rated Power(HP) | Cylinder Liner Diameter (in) and Rated Pressure (Mpa)/(psi) | |||||
| 7 | 2006/3/4 | 2006/1/4 | 6 | 2005/1/2 | 5 | ||
| 24.19 | 25.46 | 29.66 | 32.16 | 34.5 | 35 | ||
| 3508 | 3692 | 4300 | 4663 | 5000 | 5075 | ||
| engine displacement (L/S)/(g pm) | |||||||
| 120 | 1600 | 45.41 | 42.23 | 36.2 | 33.36 | 28.04 | 23.17 |
| 720 | 669 | 574 | 529 | 444 | 367 | ||
| 110 | 1467 | 41.63 | 38.71 | 33.19 | 30.58 | 25.7 | 21.24 |
| 660 | 614 | 526 | 485 | 407 | 337 | ||
| 100 | 1333 | 37.84 | 35.19 | 30.17 | 27.8 | 23.36 | 19.31 |
| 600 | 558 | 478 | 441 | 370 | 306 | ||
| 90 | 1200 | 34.06 | 31.67 | 27.15 | 25.02 | 21.03 | 17.38 |
| 540 | 502 | 430 | 397 | 333 | 275 | ||
| 1 | 0.3784 | 0.3519 | 0.3017 | 0.278 | 0.2337 | 0.1931 | |
| 6 | 5.5778 | 4.7778 | 4.4111 | 3.7 | 3.0556 | ||
| Volumetric efficiency at 100%, mechanical efficiency at 90% | |||||||
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